Home / 28,737,910.40-43,113,086.40-8,545,193.60

Finding the Fourth Proportional to 28,737,910.40, 43,113,086.40 and 8,545,193.60

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Solution

The fourth proportional to 28,737,910.40, 43,113,086.40 and 8,545,193.60 is: 12,819,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737,910.40 : 43,113,086.40 = 8,545,193.60 : x
  2. Step 2: Convert to fraction form
    28,737,910.40/43,113,086.40 = 8,545,193.60/x
  3. Step 3: Cross multiply
    28,737,910.40x = 43,113,086.40 × 8,545,193.60
  4. Step 4: Simplify right side
    28,737,910.40x = 368,409,669,981,527
  5. Step 5: Solve for x
    x = 368,409,669,981,527/28,737,910.40
  6. Step 6: Final answer
    x = 12,819,640.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.